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From Wikipedia:

John A. Ryder

John Adam Ryder, was an American zoologist and embryologist. He worked for the United States Fish Commission from 1880 to 1886 and Professor of Comparative Embryology at the University of Pennsylvania from 1886 to 1895... Read More

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Media Type
88
texts
Availability
88
Always Available
Year
3
1896
7
1895
1
1894
6
1893
7
1892
2
1891
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Topics & Subjects
5
Fisheries
2
Oysters
1
Bivalves
1
Cephalopoda. [from old catalog]
1
Gastropoda
1
Huîtres
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Collection
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Creator
40
ryder, john a.
17
ryder, j. a.
11
john a ryder
4
goode, g. brown (george brown), 1851-1896
3
j a ryder
2
allen, harrison
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Language
88
English
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